1 files changed, 27 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_bug520538.js b/browser/base/content/test/general/browser_bug520538.js
new file mode 100644
index 0000000000..234747fcbf
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug520538.js
@@ -0,0 +1,27 @@
+function test() {
+  var tabCount = gBrowser.tabs.length;
+  gBrowser.selectedBrowser.focus();
+  window.browserDOMWindow.openURI(
+    makeURI("about:blank"),
+    null,
+    Ci.nsIBrowserDOMWindow.OPEN_NEWTAB,
+    Ci.nsIBrowserDOMWindow.OPEN_EXTERNAL,
+    Services.scriptSecurityManager.getSystemPrincipal()
+  );
+  is(
+    gBrowser.tabs.length,
+    tabCount + 1,
+    "'--new-tab about:blank' opens a new tab"
+  );
+  is(
+    gBrowser.selectedTab,
+    gBrowser.tabs[tabCount],
+    "'--new-tab about:blank' selects the new tab"
+  );
+  is(
+    document.activeElement,
+    gURLBar.inputField,
+    "'--new-tab about:blank' focuses the location bar"
+  );
+  gBrowser.removeCurrentTab();
+}